Exposure
ID
GRAVI.2023-05-24T00:40:16.395_1
Header ID
GRAVI.2023-05-24T00:40:16.395
Date updated
2023-05-24 00:56:06 UTC+0000
Release date
2024-05-24 00:56:06 UTC+0000
UTC Start
2023-05-24 00:40:16.395
UTC End
2023-05-24 00:46:16.395
MJD Start
60088.02796754
MJD End
60088.0321342067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0028735
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.745
Observation
ID
55562
Category
science
Program ID
111.24JN.002
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41143
Name
WR_12
RA
131.193823
DEC
-45.98204
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.1470 86.9350 152.6000 154.0000
A0-J2 111.5540 110.6460 133.0000 134.6000
A0-K0 97.0600 95.5500 109.2820 110.7410
G1-J2 41.5250 40.7400 88.2000 89.3000
G1-K0 68.6110 67.7560 48.6690 49.1750
J2-K0 45.1290 45.0490 12.8190 13.5200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60088.02796754
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_12
HIERARCH ESO INS SOBJ NAME WR_12
RA 131.193823
DEC -45.98204
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 87.147
HIERARCH ESO ISS PBL12 END 86.935
HIERARCH ESO ISS PBLA12 START 152.6
HIERARCH ESO ISS PBLA12 END 154.0
HIERARCH ESO ISS PBL13 START 111.554
HIERARCH ESO ISS PBL13 END 110.646
HIERARCH ESO ISS PBLA13 START 133.0
HIERARCH ESO ISS PBLA13 END 134.6
HIERARCH ESO ISS PBL14 START 97.06
HIERARCH ESO ISS PBL14 END 95.55
HIERARCH ESO ISS PBLA14 START 109.282
HIERARCH ESO ISS PBLA14 END 110.741
HIERARCH ESO ISS PBL23 START 41.525
HIERARCH ESO ISS PBL23 END 40.74
HIERARCH ESO ISS PBLA23 START 88.2
HIERARCH ESO ISS PBLA23 END 89.3
HIERARCH ESO ISS PBL24 START 68.611
HIERARCH ESO ISS PBL24 END 67.756
HIERARCH ESO ISS PBLA24 START 48.669
HIERARCH ESO ISS PBLA24 END 49.175
HIERARCH ESO ISS PBL34 START 45.129
HIERARCH ESO ISS PBL34 END 45.049
HIERARCH ESO ISS PBLA34 START 12.819
HIERARCH ESO ISS PBLA34 END 13.52
HIERARCH ESO ISS AMBI TAU0 START 0.002581
HIERARCH ESO ISS AMBI TAU0 END 0.003166
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.71